improved Redistat::Database

lib/redistat/database.rb

@@ -1,9 +1,9 @@
 module Redistat
   module Database
-    def db
-      Redistat.redis
+    def self.included(base)
+      base.extend(Database)
     end
-    def self.db
+    def db
       Redistat.redis
     end
   end

lib/redistat/event.rb

@@ -1,7 +1,6 @@
 module Redistat
   class Event
     include Database
-    extend Database
     
     attr_reader :id
     attr_reader :key

lib/redistat/summary.rb

@@ -1,7 +1,6 @@
 module Redistat
   class Summary
     include Database
-    extend Database
     
     def self.update_all(key, stats = {}, depth_limit = nil)
       stats ||= {}